Model: M252-753-03-NAA-3
This user manual provides detailed instructions for the Verifone VX520 Dual Comm Credit Card Machine with Smart Card Reader. It covers the essential steps for setting up, operating, maintaining, and troubleshooting your device to ensure reliable and secure payment processing. The VX520 is designed for efficiency and ease of use, leveraging a proven platform for robust performance.
The Verifone VX520 is a high-performance, countertop payment terminal engineered for speed and security. It runs on the advanced VX Evolution platform, powered by the time-tested Verix operating system. Key features include a large memory capacity, a fast processor for quick transaction handling, and multiple connectivity options.
The Verifone VX520 terminal typically includes the following components:

Figure 1: Verifone VX520 Terminal and Included Components
Carefully remove all components from the packaging. Inspect the terminal and accessories for any signs of damage. Retain the packaging for future storage or shipping.
The VX520 offers various connectivity options. Ensure the communication port area is clear for neat cable management.

Figure 2: Communication Ports on the VX520
The VX520 uses thermal paper rolls for printing receipts.
The VX520 supports various transaction types including magnetic stripe, EMV chip, and optional contactless payments.

Figure 3: Inserting an EMV Chip Card

Figure 4: Performing a Contactless Payment
After a transaction is approved, the terminal will typically prompt to print a merchant copy and then a customer copy. Follow the on-screen prompts to complete the printing process.
To maintain optimal performance and hygiene, clean the terminal regularly.
When the paper roll is low or empty, replace it following the steps outlined in the 'Loading Paper' section under Setup.
This section addresses common issues you might encounter with your Verifone VX520 terminal.
| Problem | Lösung |
|---|---|
| Das Terminal lässt sich nicht einschalten. | Ensure the power adapter is securely connected to the terminal and a working electrical outlet. Verify the outlet has power. |
| "Communication Error" message. | Check all network or telephone line cable connections. Ensure your internet or phone service is active. Contact your payment processor for network configuration assistance. |
| Printer not working or paper jam. | Open the printer cover and check for paper jams. Ensure the paper roll is correctly loaded and the cover is closed firmly. Verify you are using thermal paper. |
| Card read error (magnetic stripe or chip). | Ensure the card is swiped or inserted correctly. Try another card if possible. Clean the card reader slot with a specialized cleaning card. |
| Transaction declined. | This is typically a card issuer decision. Advise the customer to contact their bank or try another payment method. |
For specific warranty information and technical support, please refer to the documentation provided by your Verifone reseller or payment processor. They can provide details on warranty coverage, service agreements, and direct support channels for your Verifone VX520 terminal.
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